Finding the Fourth Proportional to 7,526.43, 10,386.28 and 4,123.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,526.43 : 10,386.28 = 4,123.42 : x
2. Step 2: Convert to fraction form
   7,526.43/10,386.28 = 4,123.42/x
3. Step 3: Cross multiply
   7,526.43x = 10,386.28 × 4,123.42
4. Step 4: Simplify right side
   7,526.43x = 42,826,973.87
5. Step 5: Solve for x
   x = 42,826,973.87/7,526.43
6. Step 6: Final answer
   x = 5,690.21